LTC3701EGN#TR Linear Technology, LTC3701EGN#TR Datasheet - Page 3

• Manufacturer Part Number: LTC3701EGN#TR
• Description: IC DC/DC CNTRLR STPDN DUAL16SSOP
• Manufacturer: Linear Technology
• Series: PolyPhase®r
• Type: Step-Down (Buck)r

Specifications of LTC3701EGN#TR

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 2
• Voltage - Output: 0.8 ~ 10 V
• Current - Output: 1A
• Frequency - Switching: 550kHz
• Voltage - Input: 2.5 ~ 10 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -
• Other names: LTC3701EGNTR

ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are T
TYPICAL PERFOR A CE CHARACTERISTICS
PARAMETER
Oscillator and Phase-Locked Loop
Oscillator Frequency
Phase Detector Output Current
PGOOD Output
PGOOD Voltage Low
PGOOD Trip Level
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: The LTC3701E is guaranteed to meet performance specifications
from 0 C to 70 C. Specifications over the –40 C to 85 C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
Note 3: TJ is calculated from the ambient temperature T
dissipation P
0.775
0.810
0.805
0.800
0.795
0.790
0.785
0.780
Sinking
Sourcing
T
J
= T
–60
Reference Voltage vs Temperature
A
V
IN
+ (P
–40
= 4.2V
D
according to the following formula:
D
–20
•
TEMPERATURE ( C)
JA
0
C/W)
20
40
W
60
80
3701 G01
U
100
A
0.50
0.48
0.46
0.44
0.42
0.40
0.32
0.30
0.28
0.20
0.38
0.36
0.34
0.26
0.24
0.22
A
CONDITIONS
V
V
V
f
f
I
V
and power
EXTCLK/MODE
EXTCLK/MODE
PGOOD
PLLLPF
PLLLPF
PLLLPF
FB
= 25 C. V
–60
V
V
Shutdown Threshold
vs Temperature
with Respect to Set Output Voltage
FB
FB
V
IN
Ramping Positive
Ramping Negative
–40 –20
= 500 A
= 4.2V
= 1.2V or Floating
= 0V
The
2.4V
IN
< f
> f
TEMPERATURE ( C)
= 4.2V unless otherwise noted.
OSC
OSC
denotes specifications which apply over the full operating
0
20
Note 4: Dynamic supply current is higher due to gate charge being
delivered at the switching frequency.
Note 5: The LTC3701 is tested in a feedback loop that servos I
specified voltage and measures the resultant V
Note 6: Peak current sense voltage is reduced dependent on duty cycle to
a percentage of value as given in Figure 2.
40
60
80
3701 G02
100
1000
900
800
700
600
500
400
300
200
100
0
–60
Oscillator Frequency
vs Temperature
V
IN
–40
MIN
500
230
690
–15
2.5
= 4.2V
–20
TEMPERATURE ( C)
FB
TYP
550
280
775
0
– 5
–8
70
PLLLPF = FLOAT
5
voltage.
PLLLPF = 2.4V
8
PLLLPF = 0V
20
LTC3701
40
MAX
–2.5
600
320
890
150
15
TH/RUN
60
80
3701 G03
UNITS
to a
3701fa
3
kHz
kHz
kHz
mV
100
%
%
A
A